About the Hectare Calculator
Convert land area to and from hectares, with acres, square metres and dimension checks.
Also known as: hectare to acre, how big is a hectare, hectare conversion, ha calculator.
How to use this calculator
- Enter calculate and the other fields.
- The result updates instantly as you type — press Calculate (or Enter) at any time.
- Review the breakdown shown under the main result.
- Use Copy result or Share to save the answer or send a link with your inputs.
Formula
1 hectare = 10,000 m² = 2.4711 acres
Worked example
Using the values pre-filled in the calculator above:
- Calculate: Hectares from dimensions
- Length = 200 m
- Width = 100 m
the calculator returns:
- Hectares: 2
- Square metres: 20,000
- Acres: 4.94211
- Square feet: 215,278.2